[Asterisk-Users] IAX2 channels denoted as '(None)'

[Pete]

I have some stuck channels that I think I'm going to have to bounce 
Asterisk to get rid of, but am curious to know what they are and how 
they've managed to accumulate.  The show up with a channel identifier of 
'(None)' as in the output below, and do not show up in the soft hangup 
list, and so can't be cleared by that method.  Here is the output from 
iax2 show channels:

*CLI> iax2 show channels
Channel               Peer                Username    ID (Lo/Rem)  Seq 
(Tx/Rx)  Lag      Jitter  JitBuf  Format
(None)                111.111.111.111     xxxxxx      00003/00020  
00001/00003  00070ms  0001ms  0071ms  g729 
(None)                111.111.111.111     xxxxxx      00004/00005  
00004/00005  00070ms  0000ms  0070ms  g729 
(None)                111.111.111.111     zzzzzz      00005/00004  
00002/00004  00000ms  0007ms  0071ms  g729 
(None)                111.111.111.111     xxxxxx      00007/00042  
00001/00004  00000ms  0001ms  0071ms  g729 
IAX2/yyyyyy-14        222.222.222.222     yyyyyy      00014/00001  
00022/00024  00070ms  0000ms  0070ms  g729 
IAX2/wwwwww-15        333.333.333.333     wwwwww      00015/00003  
00004/00005  00000ms  0000ms  0070ms  unknow
(None)                111.111.111.111     xxxxxx      00017/00011  
00001/00007  00070ms  0001ms  0071ms  g729 
(None)                111.111.111.111     xxxxxx      00018/00025  
00001/00004  00000ms  0001ms  0015ms  g729 
IAX2/xxxxxx-19        444.444.444.444     xxxxxx      00019/00014  
00194/00197  00070ms  0000ms  0070ms  g729 
IAX2/xxxxxx-26        444.444.444.444     xxxxxx      00026/00013  
00223/00227  00070ms  0000ms  0070ms  g729 
IAX2/xxxxxx-27        444.444.444.444     xxxxxx      00027/00015  
00125/00128  00070ms  0000ms  0070ms  g729 
IAX2/xxxxxx-30        444.444.444.444     xxxxxx      00030/00018  
00040/00043  00070ms  0000ms  0070ms  g729 
(None)                111.111.111.111     xxxxxx      00031/00040  
00001/00004  00000ms  0001ms  0071ms  g729 
IAX2/wwwwww-34        333.333.333.333     wwwwww      00034/00016  
00004/00005  00000ms  0000ms  0070ms  unknow
(None)                111.111.111.111     xxxxxx      00037/00065  
00001/00005  00000ms  0001ms  -0081ms  g729 
IAX2/wwwwww-39        333.333.333.333     wwwwww      00039/00021  
00004/00005  00000ms  0000ms  0070ms  unknow
IAX2/xxxxxx-45        444.444.444.444     xxxxxx      00045/00002  
00002/00003  00000ms  0000ms  0070ms  unknow
IAX2/xxxxxx-50        444.444.444.444     xxxxxx      00050/00030  
00030/00033  00070ms  0000ms  0070ms  g729 
IAX2/xxxxxx-52        444.444.444.444     xxxxxx      00052/00028  
00002/00003  00000ms  0000ms  0070ms  unknow
19 active IAX channels

Anyone shed some light here?